Embedded GigaGet download manager. First try.
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David
parent
f08b1224c9
commit
4bae12aa55
58 changed files with 3121 additions and 40 deletions
334
app/src/main/java/us/shandian/giga/util/Utility.java
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334
app/src/main/java/us/shandian/giga/util/Utility.java
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package us.shandian.giga.util;
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import android.app.Activity;
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import android.content.ClipboardManager;
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import android.content.ClipData;
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import android.content.Context;
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import android.content.Intent;
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import android.view.View;
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import android.widget.Toast;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import org.schabi.newpipe.R;
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import us.shandian.giga.get.DownloadMission;
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import us.shandian.giga.util.Settings;
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import com.nononsenseapps.filepicker.FilePickerActivity;
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import com.nononsenseapps.filepicker.AbstractFilePickerFragment;
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public class Utility
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{
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public static enum FileType {
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APP,
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VIDEO,
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EXCEL,
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WORD,
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POWERPOINT,
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MUSIC,
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ARCHIVE,
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UNKNOWN
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}
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public static String formatBytes(long bytes) {
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if (bytes < 1024) {
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return String.format("%d B", bytes);
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} else if (bytes < 1024 * 1024) {
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return String.format("%.2f kB", (float) bytes / 1024);
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} else if (bytes < 1024 * 1024 * 1024) {
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return String.format("%.2f MB", (float) bytes / 1024 / 1024);
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} else {
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return String.format("%.2f GB", (float) bytes / 1024 / 1024 / 1024);
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}
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}
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public static String formatSpeed(float speed) {
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if (speed < 1024) {
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return String.format("%.2f B/s", speed);
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} else if (speed < 1024 * 1024) {
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return String.format("%.2f kB/s", speed / 1024);
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} else if (speed < 1024 * 1024 * 1024) {
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return String.format("%.2f MB/s", speed / 1024 / 1024);
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} else {
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return String.format("%.2f GB/s", speed / 1024 / 1024 / 1024);
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}
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}
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public static void writeToFile(String fileName, String content) {
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try {
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writeToFile(fileName, content.getBytes("UTF-8"));
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} catch (Exception e) {
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}
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}
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public static void writeToFile(String fileName, byte[] content) {
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File f = new File(fileName);
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if (!f.exists()) {
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try {
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f.createNewFile();
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} catch (Exception e) {
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}
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}
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try {
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FileOutputStream opt = new FileOutputStream(f, false);
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opt.write(content, 0, content.length);
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opt.close();
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} catch (Exception e) {
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}
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}
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public static String readFromFile(String file) {
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try {
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File f = new File(file);
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if (!f.exists() || !f.canRead()) {
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return null;
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}
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BufferedInputStream ipt = new BufferedInputStream(new FileInputStream(f));
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byte[] buf = new byte[512];
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StringBuilder sb = new StringBuilder();
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while (ipt.available() > 0) {
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int len = ipt.read(buf, 0, 512);
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sb.append(new String(buf, 0, len, "UTF-8"));
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}
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ipt.close();
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return sb.toString();
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} catch (Exception e) {
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return null;
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}
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}
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public static <T> T findViewById(View v, int id) {
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return (T) v.findViewById(id);
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}
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public static <T> T findViewById(Activity activity, int id) {
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return (T) activity.findViewById(id);
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}
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public static String getFileExt(String url) {
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if (url.indexOf("?")>-1) {
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url = url.substring(0,url.indexOf("?"));
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}
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if (url.lastIndexOf(".") == -1) {
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return null;
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} else {
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String ext = url.substring(url.lastIndexOf(".") );
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if (ext.indexOf("%")>-1) {
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ext = ext.substring(0,ext.indexOf("%"));
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}
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if (ext.indexOf("/")>-1) {
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ext = ext.substring(0,ext.indexOf("/"));
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}
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return ext.toLowerCase();
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}
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}
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public static String getErrorString(Context context, int code) {
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switch (code) {
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case DownloadMission.ERROR_SERVER_UNSUPPORTED:
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return context.getString(R.string.msg_server_unsupported);
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default:
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return "";
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}
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}
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public static FileType getFileType(String file) {
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if (file.endsWith(".apk")) {
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return FileType.APP;
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} else if (file.endsWith(".mp3") || file.endsWith(".wav") || file.endsWith(".flac")) {
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return FileType.MUSIC;
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} else if (file.endsWith(".mp4") || file.endsWith(".mpeg") || file.endsWith(".rm") || file.endsWith(".rmvb")
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|| file.endsWith(".flv") || file.endsWith(".webp")) {
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return FileType.VIDEO;
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} else if (file.endsWith(".doc") || file.endsWith(".docx")) {
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return FileType.WORD;
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} else if (file.endsWith(".xls") || file.endsWith(".xlsx")) {
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return FileType.EXCEL;
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} else if (file.endsWith(".ppt") || file.endsWith(".pptx")) {
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return FileType.POWERPOINT;
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} else if (file.endsWith(".zip") || file.endsWith(".rar") || file.endsWith(".7z") || file.endsWith(".gz")
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|| file.endsWith("tar") || file.endsWith(".bz")) {
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return FileType.ARCHIVE;
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} else {
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return FileType.UNKNOWN;
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}
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}
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public static int getBackgroundForFileType(FileType type) {
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switch (type) {
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case APP:
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return R.color.orange;
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case MUSIC:
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return R.color.cyan;
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case ARCHIVE:
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return R.color.blue;
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case VIDEO:
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return R.color.green;
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case WORD:
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case EXCEL:
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case POWERPOINT:
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return R.color.brown;
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case UNKNOWN:
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default:
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return R.color.bluegray;
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}
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}
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public static int getForegroundForFileType(FileType type) {
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switch (type) {
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case APP:
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return R.color.orange_dark;
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case MUSIC:
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return R.color.cyan_dark;
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case ARCHIVE:
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return R.color.blue_dark;
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case VIDEO:
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return R.color.green_dark;
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case WORD:
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case EXCEL:
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case POWERPOINT:
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return R.color.brown_dark;
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case UNKNOWN:
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default:
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return R.color.bluegray_dark;
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}
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}
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public static int getThemeForFileType(FileType type) {
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/*switch (type) {
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case APP:
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return R.style.Theme_App_Orange;
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case MUSIC:
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return R.style.Theme_App_Cyan;
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case ARCHIVE:
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return R.style.Theme_App_Blue;
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case VIDEO:
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return R.style.Theme_App_Green;
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case WORD:
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case EXCEL:
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case POWERPOINT:
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return R.style.Theme_App_Brown;
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case UNKNOWN:
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default:
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return R.style.Theme_App_BlueGray;
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}*/
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return 0;
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}
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public static int getIconForFileType(FileType type) {
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switch (type) {
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case APP:
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return R.drawable.apps;
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case MUSIC:
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return R.drawable.music;
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case ARCHIVE:
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return R.drawable.archive;
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case VIDEO:
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return R.drawable.video;
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case WORD:
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return R.drawable.word;
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case EXCEL:
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return R.drawable.excel;
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case POWERPOINT:
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return R.drawable.powerpoint;
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case UNKNOWN:
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default:
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return R.drawable.unknown;
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}
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}
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public static boolean isDirectoryAvailble(String path) {
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File dir = new File(path);
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return dir.exists() && dir.isDirectory();
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}
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public static boolean isDownloadDirectoryAvailble(Context context) {
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return isDirectoryAvailble(Settings.getInstance(context).getString(Settings.DOWNLOAD_DIRECTORY, Settings.DEFAULT_PATH));
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}
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public static void changeDownloadDirectory(Context context, String path) {
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Settings.getInstance(context).putString(Settings.DOWNLOAD_DIRECTORY, path);
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}
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public static void showDirectoryChooser(Activity activity) {
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Intent i = new Intent(activity, FilePickerActivity.class);
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i.setAction(Intent.ACTION_GET_CONTENT);
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i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
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i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, true);
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i.putExtra(FilePickerActivity.EXTRA_MODE, AbstractFilePickerFragment.MODE_DIR);
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activity.startActivityForResult(i, 233);
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}
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public static void checkAndReshow(Activity activity){
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if (!isDownloadDirectoryAvailble(activity)){
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Toast.makeText(activity.getApplicationContext(),
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R.string.no_available_dir, Toast.LENGTH_LONG).show();
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showDirectoryChooser(activity);
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}
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}
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public static void copyToClipboard(Context context, String str) {
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ClipboardManager cm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
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cm.setPrimaryClip(ClipData.newPlainText("text", str));
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Toast.makeText(context, R.string.msg_copied, Toast.LENGTH_SHORT).show();
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}
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public static String checksum(String path, String algorithm) {
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MessageDigest md = null;
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try {
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md = MessageDigest.getInstance(algorithm);
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} catch (NoSuchAlgorithmException e) {
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throw new RuntimeException(e);
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}
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FileInputStream i = null;
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try {
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i = new FileInputStream(path);
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} catch (FileNotFoundException e) {
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throw new RuntimeException(e);
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}
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byte[] buf = new byte[1024];
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int len = 0;
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try {
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while ((len = i.read(buf)) != -1) {
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md.update(buf, 0, len);
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}
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} catch (IOException e) {
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}
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byte[] digest = md.digest();
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// HEX
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StringBuilder sb = new StringBuilder();
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for (byte b : digest) {
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sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
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}
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return sb.toString();
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}
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}
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